| Reference | {Deposit:: Wright, C.W., 1904, The Porcupine placer mining district, Alaska in Emmons, S.F., and Hayes, C.W., eds., Contributions to economic geology 1903: U.S. Geological Survey Bulletin 225, p.60-63.}{Deposit:: Wright, C.W., 1904, The Porcupine district, Alaska: U.S. Geological Survey Bulletin 236, 35 p.}{Deposit:: Eakin, H.M., 1919, The Porcupine gold placer district, Alaska: U.S. Geological Survey Bulletin 699, 29 p.}{Deposit:: Cobb, E.H., 1972, Metallic mineral resources map of the Skagway quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-424, 1 sheet, scale 1:250,000.}{Deposit:: Berg, H.C., 1984, Regional geologic summary, metallogenesis, and mineral resources of southeastern Alaska: U.S. Geological Survey Open-file Report 84-572, 298 p., 1 plate, scale approx. 1:600,000.} |